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`vecA=2hati+hatj`,`B=3hatj-hatk` and `vecC=6hati-2hatk`. value of `vecA-2vecB+3vecC` would be

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`vecA=2hati+hatj`,`B=3hatj-hatk` and `vecC=6hati-2hatk`.
value of `vecA-2vecB+3vecC` would be
A. `20hati+5hatj+4hatk`
B. `20hati-5hatj-4hatk`
C. `4hati+5hatj+20hatk`
D. `5hati+4hatj+10hatk`
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Correct Answer - B
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